This thread was originally posted on the old version of CL here and its time we have a new one.
Like the old thread said, Make a Cat, and set it as your gravatar. Eventually they will take over The Colorless. Post them here too if you want, or if you have one from the old thread.
If you have issues downloading the image, simply screenshot the page and crop the image out of it. Feel free to edit the images in ways that the editor in the link cannot, too.